"One thing you need to remember about me, because it just might save your life one day....I most definitely am a Madman with a Box!"

"So Long...Fancy Pants!"

"Look at these people! From the day they arrive on the planet, blinking step into the sun! There is more to see, then can ever be seen. More to Do, then can ever...wait no, hang on a minute. Sorry, that's the Lion King. But the point still stands: Leave Them Alone!"

"How are you doing this? I. Am. LOVING It! You're like Houdini, except five slightly creepy girls and he was shorter. Will Be shorter."

"I'd call him a genius, but I'm in the room."

"I'm very Cross right now! Go To Your Room! ... I'm glad that worked. Those would have been terrible last words."

And one that isn't from The Doctor, but I love dearly:

"When I came to the hospital, I had only one leg.""Well there is a war on, are you sure you haven't miscounted?"

DT: Brave choice, celery, but fair play to you, not a lot of men can carry off a decorative vegetable.----DT: Oh, the back of our head!PD: What?DT: Sorry, sorry, that's not something you get to see everyday, is it, the back of your own head. Mind you, I can see why you wear a hat. I don't want to seem vain, but could you keep that on?----DT: Oh, no, of course, you mostly went hands free, didn't you? It was like, "Ay, I'm the doctor, I can save the universe using a kettle and some string, and look at me, I'm wearing a vegetable."PD: Who are you?DT: Take a look.PD: Oh. Oh, no.DT: Oh, yes.PD: You're... oh, no.DT: Here it comes! Yeah, yeah. I am. PD: A fan.DT. Yeah. *realizes* What?